from django.db import models
from django.contrib.auth.models import AbstractUser
class Readers(AbstractUser):
 student_number = models.CharField(max_length=50, blank=True, null=True)
 contact_info = models.CharField(max_length=100, blank=True, null=True)
 # 你可以添加更多的字段，⽐如姓名等
 name = models.CharField(max_length=100, blank=True, null=True)